#
# CircData.py
#
# This module contains Google Datastore models for supporting common
# circulation activities such as check-in, check-out, and loaning
# material. Also supports data models that suppor the NISO Circulation
# Interchange Protocal (NCIP) Z39.83-1 <http://www.niso.org/>
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Copyright 2009,2020- Jeremy Nelson, Tomichi Informatics LLC
import datetime

import basedata

from google.appengine.ext import db
from google.appengine.api import users

class BarcodeIndex(db.Model):
    """ Convenience model stores barcode and key to any entity with
        a barcode. """
    barcode = db.StringProperty(required=True)
    entity = db.ReferenceProperty()





